Polisher with 180 mm diameter plate Powerful 20 V brushless Formula 1 motor for long life Speed control from 800 to 2400 rpm (in five levels) Controlled acceleration and economical dosing of detergents thanks to the soft start function Lock shaft for quick tool-free plate change Safety lock to prevent accidental motor start and constant power control for constant speeds Compatible with Formula 1 high-performance lithium-ion battery packs (LB200 and LB400 20V) and the BC400 charger. The battery is not included.